Do Yeon Kim, Calin Ioan Hojbota, Mohammad Mirzaie, Seong Ku Lee, Ki Yong Kim, Jae Hee Sung, Chang Hee Nam
{"title":"Optical synchronization technique for all-optical Compton scattering.","authors":"Do Yeon Kim, Calin Ioan Hojbota, Mohammad Mirzaie, Seong Ku Lee, Ki Yong Kim, Jae Hee Sung, Chang Hee Nam","doi":"10.1063/5.0115918","DOIUrl":null,"url":null,"abstract":"<p><p>In all-optical Compton scattering driven by a multi-petawatt laser, it is critical to have accurate spatiotemporal synchronization between the ultrarelativistic electron bunch and the ultrahigh-intensity laser beam. Such a synchronization was realized by using two complementary optical setups. The first setup, used for the initial synchronization, recorded the spatial interferogram between the two femtosecond lasers used for a GeV electron beam production and an ultrahigh scattering laser beam. The second one, consisting of spatial and spectral interferometers, measured the time delay between the two laser beams in the range of 0-200 fs in real time. These monitoring systems played an essential role in conducting Compton scattering experiments.</p>","PeriodicalId":519534,"journal":{"name":"The Review of scientific instruments","volume":" ","pages":"113001"},"PeriodicalIF":0.0000,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Review of scientific instruments","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1063/5.0115918","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
In all-optical Compton scattering driven by a multi-petawatt laser, it is critical to have accurate spatiotemporal synchronization between the ultrarelativistic electron bunch and the ultrahigh-intensity laser beam. Such a synchronization was realized by using two complementary optical setups. The first setup, used for the initial synchronization, recorded the spatial interferogram between the two femtosecond lasers used for a GeV electron beam production and an ultrahigh scattering laser beam. The second one, consisting of spatial and spectral interferometers, measured the time delay between the two laser beams in the range of 0-200 fs in real time. These monitoring systems played an essential role in conducting Compton scattering experiments.
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